Virus Encyclopedia

MS09-004

worm, Trojan or backdoor. It is an important hackers to gain remote control of the affected computer with the same privileges as the logged on user. If this user had administrator rights, the hacker could take complete control of the system: create, modify or delete files, install programs, create new user accounts, etc.

This vulnerability is usually exploited by creating a query that calls the vulnerable extended stored procedure with an invalid parameter, causing the heap to overflow.

If you have any of the vulnerable components, it is recommended to download and apply the security patch for this vulnerability. Click here to access the web page for downloading the patch.